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SimulatorController: Selection between multiple experiments

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If the user enabled multiple experiments, it does not make sense to
execute them concurrently. Therefore, we now only register all enabled
experiments and choose one experiment on fail-client startup. For this
selection, the user can either set the FAIL_EXPERIMENT environment
variable or invoke the tool with a specific argv[0]. For the
bin/-folder, we create symlinks for this mechanism.

With this change, the generic-tracing and generic-experiment can be
compiled into the same executable and we could distribute a "standard"
version of FAIL*.
This commit is contained in:
Christian Dietrich
2020-12-14 12:04:03 +01:00
committed by Horst Schirmeier
parent 2ecdba92a5
commit 5929eac85c
5 changed files with 95 additions and 7 deletions
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7
src/experiments/CMakeLists.txt
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@ -2,5 +2,10 @@
set(EXPERIMENTS_ACTIVATED "" CACHE STRING "Activated experiments (a semicolon-separated list of fail/src/experiments/ subdirectories)")
foreach(experiment_name ${EXPERIMENTS_ACTIVATED})
add_subdirectory(${experiment_name})
add_subdirectory(${experiment_name})
# Create symlink
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
${EXECUTABLE_OUTPUT_PATH}/fail-client
${EXECUTABLE_OUTPUT_PATH}/fail-${experiment_name}
)
endforeach(experiment_name)

2
src/experiments/instantiate-experiment.ah.in
View File

@ -12,7 +12,7 @@
aspect @EXPERIMENT_TYPE@ExperimentHook {
advice execution ("void fail::SimulatorController::initExperiments()") : after () {
fail::simulator.addFlow(new @EXPERIMENT_TYPE@);
fail::simulator.addExperiment("@EXPERIMENT_NAME@", new @EXPERIMENT_TYPE@);
}
};